Earlier, in the quarterfinals, India defeated Ukraine while Americans rallied to beat Kazakhstan after trailing in the first round while Russia upended the hopes of Hungry 7-5 and China smashed Poland 8.5-3.5 in the other quarter-final matches.
It was tough to battle for India in the semifinal of the FIDE Online Chess Olympiad as the USA won the blitz tiebreak 4.5 to 1.5. The Indian side led by Viswanathan Anand won the first round 5-1 but in a brilliant comeback, the USA beat India on a tiebreak to advance to the final.
In the tiebreak, only D Harika won all three games while Nihal Sarin drew with Awonder Liang.
P Harikrishna lost to Jeffery Xiong, B Adhiban succumbed to Roy Robson while Koneru Humy lost to Irina Krush, and Vaishali R was defeated by Thalia Cervantes Landeiro.
In the first round, Viswanathan Anand beat Xiong while Vaishali R drugged Thalia. Harikrishna who is playing from his base in Prague, outplayed Dariusz Swiercz and Harika who was playing from her home in Hyderabad defeated Anna Zatonskin to post a 4-1 win for India.
Nihal Sarin and Koneru Humpy drew their games over Liang and Irina, respectively, as India assured their win.
A nice tactical blow against Swiercz helped Harikrishna claim a full point for India. The first round ended as a massive defeat for the USA. Harika kept her poise while defending her game from a difficult position but capitalized on her rival’s blunder for the win.
In the second round, Anand lost to Xion, Vidit Gujrathi was beaten by Roy, and R Praggnandhaaa was tamed by Liang while Hump and Vaishali drew their games against Irina and Cervantes as the USA won with 4-2 win.
Russia, meanwhile, beat China 2-0 in the second semifinal.
The final will be played between the USA and Russia on Wednesday.